96440
锌试剂 单钠盐
for spectrophotometric det. of Cu, Zn
别名:
2-羧基-2′-羟基-5′-磺苯甲酸 单钠盐, 邻[5-(2-羟基-5-磺基苯偶氮)亚苄基]肼基苯甲酸 单钠盐
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关于此项目
经验公式（希尔记法）:
C20H15N4NaO6S
化学文摘社编号:
分子量:
462.41
UNSPSC Code:
23151816
NACRES:
NA.21
PubChem Substance ID:
EC Number:
263-651-1
Beilstein/REAXYS Number:
728403
MDL number:
InChI key
DVHNWVSFUULGKM-XJRAADKASA-M
InChI
1S/C20H16N4O6S.Na/c25-18-11-10-14(31(28,29)30)12-17(18)22-24-19(13-6-2-1-3-7-13)23-21-16-9-5-4-8-15(16)20(26)27;/h1-12,21,25H,(H,26,27)(H,28,29,30);/q;+1/p-1/b23-19-,24-22+;
SMILES string
[Na+].OC(=O)c1ccccc1N/N=C(\N=N\c2cc(ccc2O)S([O-])(=O)=O)c3ccccc3
form
solid
quality
for spectrophotometric det. of Cu, Zn
technique(s)
UV/Vis spectroscopy: suitable, titration: suitable
mp
250-260 °C (dec.)
Quality Level
General description
测定金属离子和生物无机应用中锌离子金属配合物的摩尔吸光系数和稳定常数A. Kocyla,A. Pomorski,A. Krezel，无机生物化学杂志 176，53-65，(2017)。
Application
用于 Zn、Cu 和 Hg 的比色测定指示剂
Other Notes
用于分光光度法测定锌的试剂；锌和铜的同时测定；用于锌的自动流动注射分析
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Anna Kocyła et al.
Journal of inorganic biochemistry, 176, 53-65 (2017-09-02)
Zincon (ZI) is one of the most common chromophoric chelating probes for the determination of Zn2+ and Cu2+ ions. It is also known to bind other metal ions. However, literature data on its binding properties and molar absorption coefficients are
J.A. Platte et al.
Analytical Chemistry, 31, 1226-1226 (1959)
R.M. Rush et al.
Analytical Chemistry, 26, 1345-1345 (1954)
Automated flow injection spectrophotometric determination of zinc using zincon: applications to analysis of waters, alloys and insulin formulations.
M A Koupparis et al.
The Analyst, 111(11), 1311-1315 (1986-11-01)
J.T. McCall et al.
Analytical Chemistry, 30, 1345-1345 (1958)
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